Home / 87,148.44-130,710.24-27,989.28

Finding the Fourth Proportional to 87,148.44, 130,710.24 and 27,989.28

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Solution

The fourth proportional to 87,148.44, 130,710.24 and 27,989.28 is: 41,979.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,148.44 : 130,710.24 = 27,989.28 : x
  2. Step 2: Convert to fraction form
    87,148.44/130,710.24 = 27,989.28/x
  3. Step 3: Cross multiply
    87,148.44x = 130,710.24 × 27,989.28
  4. Step 4: Simplify right side
    87,148.44x = 3,658,485,506.23
  5. Step 5: Solve for x
    x = 3,658,485,506.23/87,148.44
  6. Step 6: Final answer
    x = 41,979.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.